Attachment for lathes.



W. S. NORTON.

ATTACHMENT FOR LATHE S.

APPLICATION FILED SEPT. 4, 1912.

1,078,745. Patented Nov. 18, 1913.

WITNESSES [WK v 7mm;

j, A [farm COLUMBIA PLANOGRAPH 50., WASHINGTON. 0. c,

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W LTE s. NORTON, or Lnn'nocn, anna s.

ATTACHMENT LATI-IES.

Specification of Letters Patent.

Application filed September 4, 1912. Serial No. 718,558.

To all whom it may concern Be it known that I, WALTER S. NORTON, a citizen of the United States, residing at Lubbock, in the county of Lubbock and State of Texas, have invented new and useful Improvements in Attachments for Lathes, of which the following is a specification.

My invention relates to attachments for lathes,'and especially to a cutting attaclr.

ment for a jewelers lathe.

One object of my invention is to pro- In these drawings: Figure 1 is an end view of the attachment. Fig. 2 is a side elevation thereof. Fig. 3' is a transverse sectional view taken midway of the attachment and looking toward the anglebracket, the tool holder being removed. Fig. t is a plan view of themetal plate from which the main bracket is formed, and, Fig. 5 is a perspective view of the main bracket.

Referring to the drawings, 1 as shown in Fig. 4 designates a plate of metal having portions 2 thereof bent at right angles thereto to form end pieces or lugs 3, as shown in the other figures. Of said plate 1, 4 as shown in Fig. a designates a portion which is also adapted to be bent at right angles to the plate so as to provide an attaching plate 5, as shown in the other figures. Said plate 5 is provided with suitable means whereby it may be connected or attached to a jewelers lathe. Said means as shown, consists of the metal of the part 5 being slit to provide a socket 6, which may receive a suitable part of the lathe. The slit provides lugs 7 on opposite sides there of, through which passes a suitable screw 8 adapted to clamp the same against the receiving portion of the lathe. After the end pieces or lugs 2, and attaching plate 5 have been bent from the plate shown in Fig. 4, a side wall 9 is provided. In said side wall is provided an elongated slot designated 10. The lugs 2 are provided with suitable apertures in which is mounted to be turned, a screw rod '11 provided with a-knurled head 12 by means of which the screw may beoperated. Said screw is secured in the opening against displacement, by any suitable means.

()n the screw 11 is mounted by means of the screw'threaded opening, an angle bracket '13, one arm of which terminates in a screw threaded shank 14: adapted to extend through the elongated opening 10 and beyond the same to receive a knurled nut 15. The other arm of the angle bracket is provided with an opening through which passes a screw threaded shank 16, carried by av tool holder 17. The shank 16 receives a clamping nut 18 beyond the bracket arm. to which it is attached. Said tool holder is provided with a slot inwhich is removably secured a cutting tool such as 19, by means of a set screw 20.

The device embodying my invention is principally adapted for use on jewelers lathes and in connection with the recessing or cutting away ofjewelry such as watch plates to receive jewels or sets, or for the purpose of cutting recesses inwheelsv in watch plates. These of course, are only a few uses to which the tool may be put, it being obvious that it may be used for various purposes and that various forms of tools may be removably secured in the holder 17.

By means of the attachment of the angle bracket and supported tool holder and tool, to the screw rod and in the elongated slot, turning movement of the angle bracket and attaching parts is prevented. The bracket and attaching holder and tool are slidable along the screw to accommodate the use of the tool with work under various conditions, it being obvious that as the screw is turned, thatthe angle bracket will move along the same in a direction according to the direction in which the same is turning. It is Pate'ntedNov.18,19i3.

clear that screw threads on the screw 11 without departing from the spirit and scope l of the appended claims.

Having thus fully described my said in v of said walls provided with an elongated slot, the other of said walls provided with attaching means, a screw rod mounted in said lugs, a tool-supporting bracket mounted on saidrod, and means on said latter bracket entering said slot. 7

2. In a device of the class described, a

j brackethaving an elongated slot and provided '15 with a wall split to provide lugs and a socket between the lugs, a clamp, member passing through said lugs, lugs arranged atan angle to said wall, a screw rod mounted in said latter lugs, a tool-supporting bracket mounted on said rod, and means on said rod entering said slot. 7

3. In a device of the class described, a bracket provided with an elongated slot, attaching means provided on said bracket, a screw rod for said bracket, a tool-supporting' bracket mounted on said rod, means on said latter bracket extending through said slot provided with screw threads beyond the slot, and a nut engaging said screw threads. 4. In a device of the class described, a bracket having a wall and end pieces arranged at an angle to said wall, a screw rod mounted in said end pieces, attaching means provided on said bracket, said wall provided with an elongated slot, a bracket, angle arm entering said slot and having another arm, and a tool supported from said another arm.

5. In a device of the class described, a bracket having aside wall provided with an elongated slot, end pieces arranged atan angle tosaid wall, a screw rod mounted in said end pieces, attaching lugs provided on said bracket, clamping neansfor said lugs, an angle bracket mounted'on said screw rod provided with a portion extending through said elongated slot, and receiving a nut beyond the slot, and a tool removably supported from the other arm of said angle bracket. V 6. In a device of the class described, a

bracket having aside wall provided with an /VALTER S. NORTON.

l/Vitnesses:

G. M. CosBY, WM. L. BAUGH.

' Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington. D. G. 

